Meteorologists blame a stretched polar vortex, moisture, lack of sea ice for dangerous winter blast

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States.

Polar vortex on repeat: Frigid temps expected to blast much of NJ, US

The North Pole is surrounded by a massive circular upper-air weather phenomenon in the Arctic called the polar vortex. It is ...

Is climate change weakening the polar vortex?

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...
Niners Wire

Why is the winter storm so intense? Polar vortex, moisture, jet stream align

Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

How the polar vortex and warm ocean are intensifying a major US winter storm

The sudden blast may come as a shock to many Americans after a mostly mild start to winter, but that warmth may be partly ...
FOX Weather on MSN

Arctic plunge: Polar vortex locks in snow, ice and life-threatening cold behind historic cross-country storm

Behind the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex ...

What's a polar vortex and why is it menacing Michigan?

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...
WLRN

The science behind the Polar Vortex; could Florida be impacted?

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south next weekend. But what is ...